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Connect to Amazon Marketplace Data in Ruby

Connect to Amazon Marketplace data in Ruby with ruby-dbi, dbd-odbc, and ruby-odbc.

The CData ODBC Driver for Amazon Marketplace makes it easy to integrate connectivity to live Amazon Marketplace data in Ruby. This article shows how to create a simple Ruby app that connects to Amazon Marketplace data, executes a query, and displays the results.

Create an ODBC Connection to Amazon Marketplace Data

If you have not already, first specify connection properties in an ODBC DSN (data source name). This is the last step of the driver installation. You can use the Microsoft ODBC Data Source Administrator to create and configure ODBC DSNs.

To connect to the Amazon Marketplace Webservice (MWS), AWSAccessKeyId, MWSAuthToken, AWSSecretKey and SellerId are required. You can optionally set the Marketplace property. For more information on obtaining values for these properties, refer to the Help documentation.

Installing Ruby and Necessary Gems

If you do not have Ruby installed, refer to the Ruby installation page. With Ruby installed, you will need to install the ruby-dbi, dbd-odbc, and ruby-odbc gems:

gem install dbi gem install dbd-odbc gem install ruby-odbc

Create a Ruby App with Connectivity to Amazon Marketplace Data

Create a new Ruby file (for example: AmazonMarketplaceSelect.rb) and open it in a text editor. Copy the following code into your file:

#connect to the DSN require 'DBI' cnxn = DBI.connect('DBI:ODBC:CData AmazonMarketplace Source','','') #execute a SELECT query and store the result set resultSet = cnxn.execute("SELECT AmazonOrderId, OrderStatus FROM Orders WHERE IsReplacementOrder = True") #display the names of the columns resultSet.column_names.each do |name| print name, "\t" end puts #display the results while row = resultSet.fetch do (0..resultSet.column_names.size - 1).each do |n| print row[n], "\t" end puts end resultSet.finish #close the connection cnxn.disconnect if cnxn

With the file completed, you are ready to display your Amazon Marketplace data with Ruby. To do so, simply run your file from the command line:

ruby AmazonMarketplaceSelect.rb Writing SQL-92 queries to Amazon Marketplace allows you to quickly and easily incorporate Amazon Marketplace data into your own Ruby applications. Download a free trial today!